A common occurrence when a vessel is running into shallow water is that（）.
A. the wake is less pronounced
B. the vessel is more responsive to the rudder
C. squat will cause a decrease in bottom clearance and an increase in draft
D. All of the above
下列哪些是WINDOWS操作系统中查看DNS、IP、Mac等信息的系统命令？（）
A. ipconfig
B. winipcfg
C. ifconfig
D. ipinfo
目前，带电作业用绝缘工具大致可分为（）绝缘工具和（）绝缘工具两大类；
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